S4 0707+47 multiwavelength SED

Also known as 1FGL J0711.4+4731, 1FLAT J071046.1+473211, 1Jy 0707+476, 2FGL J0710.8+4733, 3FGL J0710.5+4732, 5BZB J0710+4732, BZB J0710+4732, CRATES J071045+473203, S40707+476, TXS 0707+476.

• Class: BL Lac
• Redshift: z = 1.292
• Position (ICRS): RA 107.69210°, Dec 47.53643°
• Data: 3,581 points (7 upper limits) from 29 catalogues
• Dated data: 2008–2024 (MJD 54472–60610)
• Undated catalogue values: 85
• Frequency range of detections: log ν = 7.9–26.2 [Hz] (radio, microwave, infrared, optical, X-ray, γ-ray)
• Swift measurements analysed by MMDC: 18 XRT
• Largest catalogues (points): ZTF (1,883), ASAS-SN (1,458), PanSTARRS-LC (87), MMDCXRT (26), MMDCOUV (22)

Get the data

• The SED as CSV from the MMDC SED API (docs.mmdc.am).
• In Python, with astro-mmdc:

  from astro_mmdc import MMDC
  sed = MMDC().sed.get(ra=107.6921, dec=47.53643, name="S4 0707+47")

• The interactive SED plot, with time filtering and modeling (needs JavaScript).

Other BL Lac objects

• 1ES 0806+524
• 1H 0658+595
• B3 0824+420
• B2 0806+35
• B3 0850+443
• 1ES 0647+250

How to cite

Sahakyan, N., Vardanyan, V., Giommi, P., et al. 2024, AJ, 168, 289, doi:10.3847/1538-3881/ad8231 (arXiv:2410.01207).